<!-- 头部样式 -->
<nav class="navbar navbar-default">
    <div class="container">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="/">

                <h4 style="margin-top: 1px; color:rgb(209, 209, 61); font-weight: bolder;">Banner Blog</h4>
            </a>

        </div>
        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse " id="bs-example-navbar-collapse-1">

            <form class="navbar-form navbar-left">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="Search">
                </div>
            </form>
            <ul class="nav navbar-nav navbar-right">
                {{ if user }}
                <a class="btn btn-default navbar-btn" href="/topic/new">发起</a>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">
                        <img width="20" height="20" src="../../{{user.avatar}}" alt="">
                        <span class="caret"></span>
                    </a>
                    <ul class="dropdown-menu">
                        <li class="dropdown-current-user">
                            当前登录用户: {{ user.nickname }}
                        </li>
                        <li role="separator" class="divider"></li>
                        <li><a href="/settings/content?id={{ user._id }}">个人主页</a></li>
                        <li><a href="/settings/profile">设置</a></li>
                        <li><a href="/logout">退出</a></li>
                    </ul>
                </li>
                {{ else }}
                <a class="btn btn-primary navbar-btn" href="/login">登录</a>
                <a class="btn btn-success navbar-btn" href="/register">注册</a> {{ /if }}

            </ul>
        </div>
        <!-- /.navbar-collapse -->
    </div>
    <!-- /.container-fluid -->
</nav>